gem5  v20.1.0.0
Public Types | Public Member Functions | Public Attributes | Protected Attributes | Private Attributes | List of all members
NetworkLink Class Reference

#include <NetworkLink.hh>

Inheritance diagram for NetworkLink:
ClockedObject Consumer SimObject Clocked EventManager Serializable Drainable Stats::Group CreditLink NetworkBridge

Public Types

typedef NetworkLinkParams Params
 
- Public Types inherited from ClockedObject
typedef ClockedObjectParams Params
 Parameters of ClockedObject. More...
 
- Public Types inherited from SimObject
typedef SimObjectParams Params
 

Public Member Functions

 NetworkLink (const Params *p)
 
 ~NetworkLink ()=default
 
void setLinkConsumer (Consumer *consumer)
 
void setSourceQueue (flitBuffer *src_queue, ClockedObject *srcClockObject)
 
virtual void setVcsPerVnet (uint32_t consumerVcs)
 
void setType (link_type type)
 
link_type getType ()
 
void print (std::ostream &out) const
 
int get_id () const
 
flitBuffergetBuffer ()
 
virtual void wakeup ()
 
unsigned int getLinkUtilization () const
 
const std::vector< unsigned int > & getVcLoad () const
 
bool isReady (Tick curTime)
 
flitpeekLink ()
 
flitconsumeLink ()
 
uint32_t functionalWrite (Packet *)
 
void resetStats ()
 Callback to reset stats. More...
 
- Public Member Functions inherited from ClockedObject
 ClockedObject (const ClockedObjectParams *p)
 
const Paramsparams () const
 
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
 
- Public Member Functions inherited from SimObject
const Paramsparams () const
 
 SimObject (const Params *_params)
 
virtual ~SimObject ()
 
virtual const std::string name () const
 
virtual void init ()
 init() is called after all C++ SimObjects have been created and all ports are connected. More...
 
virtual void loadState (CheckpointIn &cp)
 loadState() is called on each SimObject when restoring from a checkpoint. More...
 
virtual void initState ()
 initState() is called on each SimObject when not restoring from a checkpoint. More...
 
virtual void regProbePoints ()
 Register probe points for this object. More...
 
virtual void regProbeListeners ()
 Register probe listeners for this object. More...
 
ProbeManagergetProbeManager ()
 Get the probe manager for this object. More...
 
virtual PortgetPort (const std::string &if_name, PortID idx=InvalidPortID)
 Get a port with a given name and index. More...
 
virtual void startup ()
 startup() is the final initialization call before simulation. More...
 
DrainState drain () override
 Provide a default implementation of the drain interface for objects that don't need draining. More...
 
virtual void memWriteback ()
 Write back dirty buffers to memory using functional writes. More...
 
virtual void memInvalidate ()
 Invalidate the contents of memory buffers. More...
 
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
 
- Public Member Functions inherited from EventManager
EventQueueeventQueue () const
 
void schedule (Event &event, Tick when)
 
void deschedule (Event &event)
 
void reschedule (Event &event, Tick when, bool always=false)
 
void schedule (Event *event, Tick when)
 
void deschedule (Event *event)
 
void reschedule (Event *event, Tick when, bool always=false)
 
void wakeupEventQueue (Tick when=(Tick) -1)
 This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. More...
 
void setCurTick (Tick newVal)
 
 EventManager (EventManager &em)
 Event manger manages events in the event queue. More...
 
 EventManager (EventManager *em)
 
 EventManager (EventQueue *eq)
 
- Public Member Functions inherited from Serializable
 Serializable ()
 
virtual ~Serializable ()
 
void serializeSection (CheckpointOut &cp, const char *name) const
 Serialize an object into a new section. More...
 
void serializeSection (CheckpointOut &cp, const std::string &name) const
 
void unserializeSection (CheckpointIn &cp, const char *name)
 Unserialize an a child object. More...
 
void unserializeSection (CheckpointIn &cp, const std::string &name)
 
- Public Member Functions inherited from Drainable
DrainState drainState () const
 Return the current drain state of an object. More...
 
virtual void notifyFork ()
 Notify a child process of a fork. More...
 
- Public Member Functions inherited from Stats::Group
 Group (Group *parent, const char *name=nullptr)
 Construct a new statistics group. More...
 
virtual ~Group ()
 
virtual void regStats ()
 Callback to set stat parameters. More...
 
virtual void preDumpStats ()
 Callback before stats are dumped. More...
 
void addStat (Stats::Info *info)
 Register a stat with this group. More...
 
const std::map< std::string, Group * > & getStatGroups () const
 Get all child groups associated with this object. More...
 
const std::vector< Info * > & getStats () const
 Get all stats associated with this object. More...
 
void addStatGroup (const char *name, Group *block)
 Add a stat block as a child of this block. More...
 
const InforesolveStat (std::string name) const
 Resolve a stat by its name within this group. More...
 
 Group ()=delete
 
 Group (const Group &)=delete
 
Groupoperator= (const Group &)=delete
 
- Public Member Functions inherited from Clocked
void updateClockPeriod ()
 Update the tick to the current tick. More...
 
Tick clockEdge (Cycles cycles=Cycles(0)) const
 Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle. More...
 
Cycles curCycle () const
 Determine the current cycle, corresponding to a tick aligned to a clock edge. More...
 
Tick nextCycle () const
 Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future. More...
 
uint64_t frequency () const
 
Tick clockPeriod () const
 
double voltage () const
 
Cycles ticksToCycles (Tick t) const
 
Tick cyclesToTicks (Cycles c) const
 
- Public Member Functions inherited from Consumer
 Consumer (ClockedObject *_em)
 
virtual ~Consumer ()
 
virtual void storeEventInfo (int info)
 
bool alreadyScheduled (Tick time)
 
void insertScheduledWakeupTime (Tick time)
 
ClockedObjectgetObject ()
 
void scheduleEventAbsolute (Tick timeAbs)
 
void scheduleEvent (Cycles timeDelta)
 

Public Attributes

std::vector< int > mVnets
 
uint32_t bitWidth
 
- Public Attributes inherited from ClockedObject
PowerStatepowerState
 

Protected Attributes

uint32_t m_virt_nets
 
flitBuffer linkBuffer
 
Consumerlink_consumer
 
flitBufferlink_srcQueue
 
- Protected Attributes inherited from SimObject
const SimObjectParams * _params
 Cached copy of the object parameters. More...
 
- Protected Attributes inherited from EventManager
EventQueueeventq
 A pointer to this object's event queue. More...
 

Private Attributes

const int m_id
 
link_type m_type
 
const Cycles m_latency
 
ClockedObjectsrc_object
 
unsigned int m_link_utilized
 
std::vector< unsigned int > m_vc_load
 

Additional Inherited Members

- Static Public Member Functions inherited from SimObject
static void serializeAll (CheckpointOut &cp)
 Serialize all SimObjects in the system. More...
 
static SimObjectfind (const char *name)
 Find the SimObject with the given name and return a pointer to it. More...
 
- Static Public Member Functions inherited from Serializable
static const std::string & currentSection ()
 Gets the fully-qualified name of the active section. More...
 
static void serializeAll (const std::string &cpt_dir)
 Serializes all the SimObjects. More...
 
static void unserializeGlobals (CheckpointIn &cp)
 
- Protected Member Functions inherited from Drainable
 Drainable ()
 
virtual ~Drainable ()
 
virtual void drainResume ()
 Resume execution after a successful drain. More...
 
void signalDrainDone () const
 Signal that an object is drained. More...
 
- Protected Member Functions inherited from Clocked
 Clocked (ClockDomain &clk_domain)
 Create a clocked object and set the clock domain based on the parameters. More...
 
 Clocked (Clocked &)=delete
 
Clockedoperator= (Clocked &)=delete
 
virtual ~Clocked ()
 Virtual destructor due to inheritance. More...
 
void resetClock () const
 Reset the object's clock using the current global tick value. More...
 
virtual void clockPeriodUpdated ()
 A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. More...
 

Detailed Description

Definition at line 47 of file NetworkLink.hh.

Member Typedef Documentation

◆ Params

typedef NetworkLinkParams NetworkLink::Params

Definition at line 50 of file NetworkLink.hh.

Constructor & Destructor Documentation

◆ NetworkLink()

NetworkLink::NetworkLink ( const Params p)

Definition at line 39 of file NetworkLink.cc.

References bitWidth, ArmISA::i, mVnets, and MipsISA::p.

◆ ~NetworkLink()

NetworkLink::~NetworkLink ( )
default

Member Function Documentation

◆ consumeLink()

flit* NetworkLink::consumeLink ( )
inline

◆ functionalWrite()

uint32_t NetworkLink::functionalWrite ( Packet pkt)

Definition at line 126 of file NetworkLink.cc.

References flitBuffer::functionalWrite(), and linkBuffer.

◆ get_id()

int NetworkLink::get_id ( ) const
inline

Definition at line 60 of file NetworkLink.hh.

References m_id.

Referenced by InputUnit::get_inlink_id(), and OutputUnit::get_outlink_id().

◆ getBuffer()

flitBuffer* NetworkLink::getBuffer ( )
inline

Definition at line 61 of file NetworkLink.hh.

References linkBuffer.

Referenced by NetworkBridge::NetworkBridge().

◆ getLinkUtilization()

unsigned int NetworkLink::getLinkUtilization ( ) const
inline

Definition at line 64 of file NetworkLink.hh.

References m_link_utilized.

◆ getType()

link_type NetworkLink::getType ( )
inline

Definition at line 58 of file NetworkLink.hh.

References m_type.

◆ getVcLoad()

const std::vector<unsigned int>& NetworkLink::getVcLoad ( ) const
inline

Definition at line 65 of file NetworkLink.hh.

References m_vc_load.

◆ isReady()

bool NetworkLink::isReady ( Tick  curTime)
inline

◆ peekLink()

flit* NetworkLink::peekLink ( )
inline

Definition at line 72 of file NetworkLink.hh.

References linkBuffer, and flitBuffer::peekTopFlit().

◆ print()

void NetworkLink::print ( std::ostream &  out) const
inlinevirtual

Implements Consumer.

Definition at line 59 of file NetworkLink.hh.

◆ resetStats()

void NetworkLink::resetStats ( )
virtual

Callback to reset stats.

Reimplemented from Stats::Group.

Definition at line 104 of file NetworkLink.cc.

References ArmISA::i, m_link_utilized, and m_vc_load.

◆ setLinkConsumer()

void NetworkLink::setLinkConsumer ( Consumer consumer)

◆ setSourceQueue()

void NetworkLink::setSourceQueue ( flitBuffer src_queue,
ClockedObject srcClockObject 
)

◆ setType()

void NetworkLink::setType ( link_type  type)
inline

◆ setVcsPerVnet()

void NetworkLink::setVcsPerVnet ( uint32_t  consumerVcs)
virtual

◆ wakeup()

void NetworkLink::wakeup ( )
virtual

Member Data Documentation

◆ bitWidth

uint32_t NetworkLink::bitWidth

◆ link_consumer

Consumer* NetworkLink::link_consumer
protected

Definition at line 95 of file NetworkLink.hh.

Referenced by NetworkBridge::scheduleFlit(), setLinkConsumer(), and wakeup().

◆ link_srcQueue

flitBuffer* NetworkLink::link_srcQueue
protected

Definition at line 96 of file NetworkLink.hh.

Referenced by setSourceQueue(), wakeup(), and NetworkBridge::wakeup().

◆ linkBuffer

flitBuffer NetworkLink::linkBuffer
protected

◆ m_id

const int NetworkLink::m_id
private

Definition at line 82 of file NetworkLink.hh.

Referenced by get_id().

◆ m_latency

const Cycles NetworkLink::m_latency
private

Definition at line 84 of file NetworkLink.hh.

Referenced by wakeup().

◆ m_link_utilized

unsigned int NetworkLink::m_link_utilized
private

Definition at line 89 of file NetworkLink.hh.

Referenced by getLinkUtilization(), resetStats(), and wakeup().

◆ m_type

link_type NetworkLink::m_type
private

Definition at line 83 of file NetworkLink.hh.

Referenced by getType(), setType(), and wakeup().

◆ m_vc_load

std::vector<unsigned int> NetworkLink::m_vc_load
private

Definition at line 90 of file NetworkLink.hh.

Referenced by getVcLoad(), resetStats(), setVcsPerVnet(), and wakeup().

◆ m_virt_nets

uint32_t NetworkLink::m_virt_nets
protected

Definition at line 93 of file NetworkLink.hh.

Referenced by setVcsPerVnet(), and NetworkBridge::setVcsPerVnet().

◆ mVnets

std::vector<int> NetworkLink::mVnets

◆ src_object

ClockedObject* NetworkLink::src_object
private

Definition at line 86 of file NetworkLink.hh.

Referenced by setSourceQueue(), and wakeup().


The documentation for this class was generated from the following files:

Generated on Wed Sep 30 2020 14:02:28 for gem5 by doxygen 1.8.17